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Narcissus dubius 

Scope: Global & Mediterranean
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Asparagales Amaryllidaceae

Scientific Name: Narcissus dubius Gouan
Common Name(s):
French Narcisse Douteux
Spanish Junquillo
Synonym(s):
Hermione dubia (Gouan) Haw.
Taxonomic Source(s): Euro+Med. 2014. Euro+Med Plantbase. Berlin-Dahlem Available at: http://ww2.bgbm.org/EuroPlusMed/query.asp. (Accessed: 25 March 2014).
Taxonomic Notes: This species presents hybridization with Narcissus assoanus, named N. x pujolii, in the southern areas of its distribution range, e.g. in the Region of Murcia, Spain (S. Ríos Ruiz pers. comm. 2015).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2018
Date Assessed: 2015-01-14
Assessor(s): Véla, E., Carapeto, A., Pinto Cruz, C., García Murillo, P.G., Ríos Ruiz, S. & Fraga i Arquimbau, P.
Reviewer(s): Allen, D.J. & García, N.
Contributor(s): Guzmán Otano, D., Juan Vicedo, J. & Alcázar Montañez, E.
Justification:
This species is endemic to southern France and eastern Spain. It is assessed as Least Concern because it has a widespread distribution, occurs in several protected areas throughout its range and its population is not expected to significantly decline in the near future. Further studies on the genetic structure of its population and trends in population size at global level are needed.

Geographic Range [top]

Range Description:This is Mediterranean species endemic to southern France and eastern Spain. In Spain it occurs mainly near littoral areas, ranging from Girona Province to the Region of Murcia (Aedo 2013), with a few isolated subpopulations along the Ebro River Valley, in the area of Litera, Monegros and the Middle Ebro. Occasionally, it is also found in the Aragonese and Catalonian Pre-Pyrenees and the Region of Castilla-La Mancha (Casas et al. 2010). In France it occurs near coastal areas in the south of the country, ranging from the Region of Provence-Alpes-Cotê-de-Azur to the Region of Languedoc-Roussillon (Association Tela Botanica 2014).
Countries occurrence:
Native:
France (France (mainland)); Spain (Spain (mainland))
Additional data:
Estimated area of occupancy (AOO) - km2:736
Upper elevation limit (metres):1350
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:

Although population sizes and their genetic structure are still unknown, this species appears to be common in some parts of its geographic range, especially in areas such as Valencia Autonomous region in Spain, which concentrates most of the records for this plant (Anthos 2014). In Spain, this species appears to be less common in the regions of Murcia, Aragon, Catalonia and Castilla-La Mancha, although several subpopulations with hundreds of individuals are known (D. Guzmán Otano and J. Juan Vicedo pers. obs. 2014). In France the species appears to be frequent in the regions of Provence and Languedoc-Roussilon, with more than 59 records, corresponding to 50 localities, reported (Véla 2002, Association Tela Botanica 2014).  

The current population trend is unknown, although some subpopulations may have gone locally extinct, especially near the coast of Valencia in Spain, due to significant urban development in the last decades.

Current Population Trend:Unknown
Additional data:
Continuing decline of mature individuals:Unknown

Habitat and Ecology [top]

Habitat and Ecology:This plant is a bulbous geophyte with one to seven white flowers that bloom in late winter and early spring. It occurs on Mediterranean shrubland (garrigue), perennial mesophytic grasslands of Stipa tenacissima, and rocks and cliff faces on alkaline and rocky soils generally originated from limestone (Aedo 2013, Casas et al. 2010). This species presents mainly a coastal distribution, with some isolated subpopulations up to La Rioja, along the catchment of the Ebro River in Spain.
Systems:Terrestrial

Use and Trade [top]

Use and Trade:

Due to its ornamental interest, this species is cultivated and international bulb trading has been reported, although the value and quantity is unknown. There is a potential for harvest of wild bulbs, although no information is available at present about the impact of that practice.

Also, the increasing interest in the galanthamine-related alkaloid content of Narcissus species for pharmaceutical purposes (Berkov et al. 2014), may increase bulb harvesting in wild populations in the future.

Threats [top]

Major Threat(s): The main threat to this species is urban and touristic development, especially in areas near the coastline. Land use changes and the abandonment of traditional land management practices, in particular livestock grazing, are reducing the abundance of this species due to the transformation of grasslands into scrubland and forest (Casas et al. 2010). The intensification of agricultural areas in certain parts of its distribution range (e.g. in the Region of Aragon) may represent a local threat (D. Guzmán Otano and J. Juan Vicedo pers. comm. 2014). In Alicante, the introduced Opuntia spp. is a competitor for the space (S. Ríos Ruiz pers. comm. 2015).

The increasing interest in the galanthamine-related alkaloid content of the Amaryllidaceae species for pharmaceutical purposes (Berkov et al. 2014) may represent a threat in the near future, since there is no possibility of industrial synthesis of these bioactive substances and only natural sources can be exploited, which may led to bulb harvesting in wild populations.

Conservation Actions [top]

Conservation Actions:

This species occurs in several protected areas throughout its distribution range, including natural parks and Natura 2000 sites (IUCN and UNEP-WCMC 2017). The plant is strictly protected by regional legislation in Catalonia through Decreto 172/2008 (DOGC 2008) and is considered a taxon of special interest taxon in the Region of Murcia through Decreto 50/2003 (BORM 2003). Ex situ conservation actions include seed conservation in the Torretes Botanical Garden Genebank and other Institutions, and plant growing in living collections in the Torretes Botanical Garden (D. Guzmán Otano and J. Juan Vicedo pers. comm. 2014).

In France, the plant is protected against collection from the wild (INPN-MNHN 2003-2017).

Further research regarding population size and trends, and genetic structure, is needed.


Citation: Véla, E., Carapeto, A., Pinto Cruz, C., García Murillo, P.G., Ríos Ruiz, S. & Fraga i Arquimbau, P. 2018. Narcissus dubius. The IUCN Red List of Threatened Species 2018: e.T13146983A18614100. . Downloaded on 15 October 2018.
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